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Side-by-side: what they do, what they cost, what Kai actually thinks. Pass up to 4 tools via ?tools=claude,chatgpt,gemini.
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Elicit S | Cursor TypeScript SDK A | Perplexity S | FlashQLA A | |
|---|---|---|---|---|
| Tagline | AI research assistant for academic literature. | Wire Cursor's full coding-agent runtime into your own apps, scripts, and CI/CD pipelines with a few lines of TypeScript. | AI search done right. Cited answers, not chat theater. | Qwen's open-source GPU kernel library that squeezes 2–3× more speed out of linear attention on NVIDIA Hopper hardware — if you're lucky enough to own one. |
| Category | Research | Dev Platform | Research | Dev Platform |
| Pricing | Free + $12-$42/mo | Token-based; requires Cursor plan (Pro from $20/mo). Composer 2 at $0.50/$2.50 per M tokens (in/out); fast variant $1.50/$7.50 per M tokens. | Free + $20/mo Pro | Free (MIT License, open-source) |
| Best for | Grad students, researchers, anyone doing literature reviews. | Engineering teams who already use Cursor and want to embed its coding-agent runtime into CI/CD pipelines, backend services, or internal developer tools without building agent infrastructure from scratch. | Replacing Google for any question where you want a cited answer in seconds. | ML engineers and researchers running Qwen3.x linear-attention models on H100/H200 clusters who need to close the gap between theoretical GDN efficiency and actual hardware throughput. |
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| Kai's verdict | S-tier for academic research. Nothing else comes close for systematic reviews. | If your team is already in the Cursor ecosystem, this is a genuinely compelling way to turn ad-hoc AI coding sessions into durable, automated workflows — but the beta label and Cursor's history with opaque pricing mean you'll want to set hard budget guardrails before going to production. (Verdict pending Phi's full review.) | S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week. | A genuinely impressive, laser-focused kernel optimization from the Qwen team — real speedups on real hardware — but its utility is gated behind Hopper GPUs and Qwen's GDN architecture, making it a niche power tool rather than a broadly useful library. (Verdict pending Phi's full review.) |
| Link | Open → | Open → | Open → | Open → |